/* =========================================================
   VARIABLES (mismas del portafolio)
========================================================= */

:root {
  --ink: #4D0E24;
  --paper: #F4EEE1;
  --tan-1: #C9A897;
  --tan-2: #B98E7A;
  --tan-3: #D8BBA6;
}


/* =========================================================
   BASE
========================================================= */

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: "Work Sans", Arial, sans-serif;
}

a {
  color: inherit;
}

.page-frame {
  border: 1px solid var(--ink);
  margin: 10px auto;
  max-width: 1180px;
  display: flex;
  flex-direction: column;
}


/* =========================================================
   HEADER
========================================================= */

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 20px 28px 0;
  gap: 16px;
  flex-wrap: wrap;
}

.site-header span {
  font-family: "Archivo", sans-serif;
  font-weight: 900;
  font-size: 15px;
  letter-spacing: 0.5px;
}

.site-header p {
  font-family: "Archivo", sans-serif;
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}


/* =========================================================
   TÍTULO DEL CURSO
========================================================= */

.course-title {
  font-family: "Archivo", sans-serif;
  font-weight: 900;
  font-size: clamp(46px, 10vw, 108px);
  line-height: 1.02;
  letter-spacing: -2px;
  padding: 22px 28px 0;
}

.course-intro {
  font-size: 16px;
  line-height: 1.6;
  max-width: 44ch;
  padding: 22px 28px 0;
}


/* =========================================================
   RECUADROS DE LOS ENCARGOS
========================================================= */

.assignment-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px 18px;
  padding: 40px 28px 44px;
}

.assignment {
  display: block;
  text-decoration: none;
  color: inherit;
}

.assignment-box {
  width: 100%;
  height: 230px;
  margin-bottom: 14px;
  display: flex;
  align-items: flex-end;
  padding: 14px 18px;
  transition: opacity .3s ease;
}

.assignment-box b {
  font-family: "Archivo", sans-serif;
  font-weight: 900;
  font-size: 64px;
  line-height: 1;
  letter-spacing: -2px;
}

.assignment:nth-child(1) .assignment-box { background: var(--ink); color: var(--paper); clip-path: polygon(0 0, 100% 8%, 100% 100%, 0 100%); }
.assignment:nth-child(2) .assignment-box { background: var(--tan-2); clip-path: polygon(0 8%, 100% 0, 100% 100%, 0 92%); }
.assignment:nth-child(3) .assignment-box { background: var(--ink); color: var(--paper); clip-path: polygon(0 0, 100% 6%, 100% 100%, 0 100%); }
.assignment:nth-child(4) .assignment-box { background: var(--tan-3); clip-path: polygon(0 6%, 100% 0, 100% 94%, 0 100%); }

.assignment-box--image {
  background-size: cover !important;
  background-position: center !important;
}

.assignment:hover .assignment-box {
  opacity: .85;
}

.assignment-title {
  display: block;
  font-family: "Archivo", sans-serif;
  font-weight: 800;
  font-size: 15px;
  line-height: 1.3;
}

.assignment:hover .assignment-title {
  text-decoration: underline;
}

.assignment-desc {
  display: block;
  font-size: 13px;
  line-height: 1.5;
  margin-top: 4px;
}


.back-link {
  font-family: "Archivo", sans-serif;
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 1.5px solid transparent;
  transition: border-color .3s ease;
}

.back-link:hover {
  border-bottom-color: var(--ink);
}

.assignment-grid--two {
  grid-template-columns: repeat(2, 1fr);
  gap: 22px 22px;
}

.assignment-grid--two .assignment-box {
  height: 260px;
}

/* =========================================================
   FOOTER
========================================================= */

.site-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 28px 22px;
  border-top: 1px solid var(--ink);
  gap: 16px;
  flex-wrap: wrap;
}

.site-footer p {
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  line-height: 1.6;
}

.stamp {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1.5px solid var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Archivo", sans-serif;
  font-weight: 900;
  font-size: 13px;
}


/* =========================================================
   TABLET Y MÓVIL
========================================================= */

@media (max-width: 1024px) {

  .assignment-grid {
    grid-template-columns: repeat(2, 1fr);
  }

}

@media (max-width: 700px) {

  .site-header,
  .course-title,
  .course-intro,
  .site-footer {
    padding-left: 18px;
    padding-right: 18px;
  }

  .assignment-grid {
    padding: 28px 18px 34px;
    gap: 24px 14px;
  }

  .assignment-box {
    height: 150px;
    padding: 10px 12px;
  }

  .assignment-box b {
    font-size: 44px;
  }

}

@media (max-width: 420px) {

  .assignment-grid,
  .assignment-grid--two {
    grid-template-columns: 1fr;
  }

  .assignment-box {
    height: 170px;
  }

}